.content{
    padding: 15px 0;
    margin: auto;
    background-color: white;
    border-radius: 10px;
    transform: translateY(-100%);
    opacity: 0;
    transition: all .3s;
    max-width: 100vw;
    overflow: auto;
    box-sizing: border-box;
}
.head{
    display: flex;
    align-items: center;
    justify-content: space-between;
    line-height: 40px;
    padding: 0 15px;
}
.head img{
    display: block;
    width: 30px;
    height: 30px;
    cursor: pointer;
}
.body{
    padding: 0 15px;
    margin-top: 15px;
    max-height: 80vh;
    box-sizing: border-box;
    overflow: auto;
}